!(function (e, t) {
  'object' == typeof exports && 'undefined' != typeof module
    ? (module.exports = t())
    : 'function' == typeof define && define.amd
      ? define(t)
      : ((e =
          'undefined' != typeof globalThis
            ? globalThis
            : e || self).dayjs_plugin_isLeapYear = t());
})(this, function () {
  'use strict';
  return function (e, t) {
    t.prototype.isLeapYear = function () {
      return (this.$y % 4 == 0 && this.$y % 100 != 0) || this.$y % 400 == 0;
    };
  };
});
